Modified old code
This commit is contained in:
XCX
parent
cfa9345a79
commit
26fed37e17
@ -1,38 +0,0 @@
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import os
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import json
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# Function
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# Get the data from input files
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def Read(folder_path):
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data = []
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for filename in os.listdir(folder_path):
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if filename.endswith('.json'):
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file_path = os.path.join(folder_path, filename)
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with open(file_path, 'r', encoding='utf-8') as file:
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data.extend(json.load(file))
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return data
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# Write into output files
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def Write(data, output_file):
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with open(output_file, 'w', encoding='utf-8') as file:
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json.dump(data, file, indent=4)
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# Path of files need to be read
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folder_path1 = '.\ejde_buffer\Author'
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folder_path2 = '.\ejde_buffer\Article'
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# Read the data in the files
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Author_data = Read(folder_path1)
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Article_data = Read(folder_path2)
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# The path of output files
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output_file1 = '.\ejde_buffer\Author_output_file.json'
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output_file2 = '.\ejde_buffer\Article_output_file.json'
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# Write into files
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Write(Author_data, output_file1)
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Write(Article_data, output_file2)
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# End
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print("\nData has been written into files.")
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@ -1,23 +1,22 @@
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import os
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import uuid
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import requests
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from bs4 import BeautifulSoup
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import re
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import json
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import ejde_save
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from concurrent.futures import ThreadPoolExecutor, as_completed
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from retrying import retry
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from bs4 import BeautifulSoup
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'''
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爬取网站：'ejde.math.txstate.edu'
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def save_data(dataset, filetype, filename):
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if dataset:
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directory = "./ejde_buffer/" + filetype + "/"
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os.makedirs(directory, exist_ok=True)
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filepath = os.path.join(directory, filename)
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with open(filepath, "w", encoding='utf-8') as json_file:
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json.dump(dataset, json_file, indent=4)
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print(filetype + " data have been added to", filepath)
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==========运行顺序==========
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1、ejde_main 获取各年份的期刊链接 -> 抓取各篇论文的信息和作者信息 -> 调用ejde_save -> 存入小文件（json）暂存
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2、ejde_save 从本地浏览暂存的小文件筛选后存入不同年份的大文件
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*3、ejde_save.delete()(可选) 删除暂存区内部所有文件（注意备份）
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'''
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# Article and author detail
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@retry(wait_fixed=5000, stop_max_attempt_number=5)
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def process_article(url):
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response = requests.get(url)
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@ -43,7 +42,7 @@ def process_article(url):
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# Extract volume
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volume_match = re.search(r'Vol\. (\d+) \((\d+)\)', article_text)
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volume = volume_match.group(1) if volume_match else None
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volume = str(volume_match.group(1)) if volume_match else None
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# year = volume_match.group(2) if volume_match else None
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# Extract pp
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@ -141,11 +140,11 @@ def process_article(url):
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# Save the data periodically based on batch size
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if len(articleData) % batch_size == 0:
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save_data(articleData, "Article", str(uuid.uuid4()) + ".json")
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ejde_save.save_data(articleData, "Article_TS", str(uuid.uuid4()) + ".json")
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articleData.clear()
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if len(authorData) % batch_size == 0:
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save_data(authorData, "Author", str(uuid.uuid4()) + ".json")
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ejde_save.save_data(authorData, "Author_TS", str(uuid.uuid4()) + ".json")
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authorData.clear()
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@ -162,7 +161,7 @@ url_list = ["https://ejde.math.txstate.edu/" + link['href'] for link in volume_l
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authorData = []
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articleData = []
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batch_size = 500 # Number of articles to process before saving
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batch_size = 5 # Number of articles to process before saving
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executor = ThreadPoolExecutor(max_workers=20) # Set the number of worker threads
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# Process each URL using multithreading
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@ -176,10 +175,14 @@ for future in as_completed(futures):
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print("An error occurred:", str(e))
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# Save remaining data
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if articleData:
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save_data(articleData, "Article", str(uuid.uuid4()) + ".json")
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print("COMPLETE: All EJDE article data has been saved to ./ejde_buffer/Article/")
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if len(articleData) > 0:
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ejde_save.save_data(articleData, "Article_TS", str(uuid.uuid4()) + ".json")
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print("COMPLETE: All EJDE article data has been saved to ./ejde_buffer/Article_TS/")
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if authorData:
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save_data(authorData, "Author", str(uuid.uuid4()) + ".json")
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print("COMPLETE: All EJDE author data has been saved to ./ejde_buffer/Author/")
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if len(authorData) > 0:
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ejde_save.save_data(authorData, "Author_TS", str(uuid.uuid4()) + ".json")
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print("COMPLETE: All EJDE author data has been saved to ./ejde_buffer/Author_TS/")
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# Transfer to large file and delete the temporary storage files
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ejde_save.Transf()
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ejde_save.delete()
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93
EJDE_spider/ejde_save.py
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93
EJDE_spider/ejde_save.py
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@ -0,0 +1,93 @@
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import os
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import json
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# Save data
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def save_data(dataset, filetype, filename):
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if dataset:
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directory = "./ejde_buffer/" + filetype + "/"
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os.makedirs(directory, exist_ok=True)
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filepath = os.path.join(directory, filename)
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with open(filepath, "w", encoding='utf-8') as json_file:
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json.dump(dataset, json_file, indent=4)
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print(filetype + " data have been added to", filepath)
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# Write into output files
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def Transf():
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def Read(folder_path, output_files):
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# Create new folders
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os.makedirs('./ejde_buffer/Article_output/', exist_ok=True)
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os.makedirs('./ejde_buffer/Author_output/', exist_ok=True)
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data_oldest = []
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data_2010_2014 = []
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data_2015_2020 = []
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data_newest = []
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for filename in os.listdir(folder_path):
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if filename.endswith('.json'):
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file_path = os.path.join(folder_path, filename)
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with open(file_path, 'r', encoding='utf-8') as file:
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data = json.load(file)
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for Dict in data:
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if Dict.get('volume') and Dict.get('affiliation', [{}])[0].get('year', 0) is not None:
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# Select data
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data_oldest += [Dict for Dict in data if (isinstance(Dict, dict) and int(
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Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) <= 2009)]
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data_2010_2014 += [Dict for Dict in data if (isinstance(Dict, dict) and 2010 <= int(
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Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) <= 2014)]
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data_2015_2020 += [Dict for Dict in data if (isinstance(Dict, dict) and 2015 <= int(
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Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) <= 2020)]
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data_newest += [Dict for Dict in data if (isinstance(Dict, dict) and int(
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Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) >= 2021)]
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Data = [data_oldest, data_2010_2014, data_2015_2020, data_newest]
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# Transfer
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for index in range(0, 4):
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with open(output_files[index], 'w', encoding='utf-8') as file:
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json.dump(Data[index], file, indent=4)
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# The path of reading
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author_folder_path = './ejde_buffer/Author_TS'
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article_folder_path = './ejde_buffer/Article_TS'
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# The path of storage
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author_output_file = [
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'./ejde_buffer/Author_output/Author_output_file(oldest).json',
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'./ejde_buffer/Author_output/Author_output_file(2010-2014).json',
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'./ejde_buffer/Author_output/Author_output_file(2015-2020).json',
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'./ejde_buffer/Author_output/Author_output_file(newest).json'
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]
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article_output_file = [
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'./ejde_buffer/Article_output/Article_output_file(oldest).json',
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'./ejde_buffer/Article_output/Article_output_file(2010-2014).json',
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'./ejde_buffer/Article_output/Article_output_file(2015-2020).json',
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'./ejde_buffer/Article_output/Article_output_file(newest).json'
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]
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# Read and write into files
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Read(author_folder_path, author_output_file)
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Read(article_folder_path, article_output_file)
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# End
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print("\nData has been written into files.")
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# Delete files in temporary storage area
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def delete():
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folder_paths = ['./ejde_buffer/Author_TS', './ejde_buffer/Article_TS']
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for folder_path in folder_paths:
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file_names = os.listdir(folder_path)
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for file_name in file_names:
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file_path = os.path.join(folder_path, file_name)
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if os.path.isfile(file_path):
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os.remove(file_path)
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print('\nAttention: The temporary storage files have been deleted!')
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@ -12,10 +12,10 @@ from concurrent.futures import ThreadPoolExecutor, as_completed, wait
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from urllib.parse import urljoin
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'''
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爬取网站：'https://www.math.u-szeged.hu/ejqtde
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爬取网站：'https://www.math.u-szeged.hu/ejqtde'
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==========运行顺序==========
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1、ejqtde_href_multithread 获取各年份的期刊链接
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1、ejqtde_main 获取各年份的期刊链接
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2、ejqtde_scrawler 抓取各篇论文的信息和作者信息 -> 调用ejqtde_save -> 存入小文件（json）暂存
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3、ejqtde_save 从本地浏览暂存的小文件筛选后存入不同年份的大文件
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*4、ejqtde_save.delete()(可选) 删除暂存区内部所有文件（注意备份）
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@ -70,6 +70,7 @@ with ThreadPoolExecutor(max_workers=25) as executor:
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wait(futures)
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print('\nAll links have been got.\n')
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# Use multithreading to get the data
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count1 = 0
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count2 = 0
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locks = threading.Lock()
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@ -107,5 +108,6 @@ print('\nThe whole scrawler program has been done\n')
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print(count1, ' article_data has been stored.')
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print(count2, ' author_data has been stored.')
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# Transfer to large file and delete the temporary storage files
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ejqtde_save.Transf()
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ejqtde_save.delete()
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@ -18,7 +18,7 @@ def save_data(dataset, filetype):
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# Summary files
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def Transf():
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def Read(folder_path, output_files):
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# 新建文件夹
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# Create new folder
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os.makedirs('./EJQTDE_buffer/Article_output/', exist_ok=True)
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os.makedirs('./EJQTDE_buffer/Author_output/', exist_ok=True)
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@ -33,25 +33,27 @@ def Transf():
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with open(file_path, 'r', encoding='utf-8') as file:
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data = json.load(file)
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# Select data
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data_oldest += [Dict for Dict in data if (isinstance(Dict, dict) and int(
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Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) <= 2009)]
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for Dict in data:
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if Dict.get('volume') and Dict.get('affiliation', [{}])[0].get('year', 0) is not None:
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# Select data
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data_oldest += [Dict for Dict in data if (isinstance(Dict, dict) and int(
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Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) <= 2009)]
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data_2010_2014 += [Dict for Dict in data if (isinstance(Dict, dict) and 2010 <= int(
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Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) <= 2014)]
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data_2010_2014 += [Dict for Dict in data if (isinstance(Dict, dict) and 2010 <= int(
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Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) <= 2014)]
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data_2015_2020 += [Dict for Dict in data if (isinstance(Dict, dict) and 2015 <= int(
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Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) <= 2020)]
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data_2015_2020 += [Dict for Dict in data if (isinstance(Dict, dict) and 2015 <= int(
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Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) <= 2020)]
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data_newest += [Dict for Dict in data if (isinstance(Dict, dict) and int(
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Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) >= 2021)]
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data_newest += [Dict for Dict in data if (isinstance(Dict, dict) and int(
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Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) >= 2021)]
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Data = [data_oldest, data_2010_2014, data_2015_2020, data_newest]
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Data = [data_oldest, data_2010_2014, data_2015_2020, data_newest]
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# Transfer
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for index in range(0, 4):
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with open(output_files[index], 'w', encoding='utf-8') as file:
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json.dump(Data[index], file, indent=4)
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# Transfer
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for index in range(0, 4):
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with open(output_files[index], 'w', encoding='utf-8') as file:
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json.dump(Data[index], file, indent=4)
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# The path of reading
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author_folder_path = './EJQTDE_buffer/Author_TS'
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@ -91,3 +93,4 @@ def delete():
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os.remove(file_path)
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print('\nAttention: The temporary storage files have been deleted!')
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168
ProjectEuclid_spider/projecteuclid_main
Normal file
168
ProjectEuclid_spider/projecteuclid_main
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import requests
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from bs4 import BeautifulSoup,Tag
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import json
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import re
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import uuid
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main_page_urls = [
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-36/issue-11_2f_12",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-36/issue-9_2f_10",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-36/issue-7_2f_8",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-36/issue-5_2f_6",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-36/issue-3_2f_4",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-36/issue-1_2f_2",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-35/issue-11_2f_12",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-35/issue-9_2f_10",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-35/issue-7_2f_8",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-35/issue-5_2f_6",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-35/issue-3_2f_4",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-35/issue-1_2f_2",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-34/issue-11_2f_12",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-34/issue-9_2f_10",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-34/issue-7_2f_8",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-34/issue-5_2f_6",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-34/issue-3_2f_4",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-34/issue-1_2f_2",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-33/issue-11_2f_12",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-33/issue-9_2f_10",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-33/issue-7_2f_8",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-33/issue-5_2f_6",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-33/issue-3_2f_4",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-33/issue-1_2f_2",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-32/issue-11_2f_12",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-32/issue-9_2f_10",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-32/issue-7_2f_8",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-32/issue-5_2f_6",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-32/issue-3_2f_4",
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"https://projecteuclid.org/journals/differential-and-integral-equations/volume-32/issue-1_2f_2"
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]
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all_d_list = []
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# 遍历多个主页面的链接
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for main_page_url in main_page_urls:
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response = requests.get(main_page_url)
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html = response.text
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soup = BeautifulSoup(html, "html.parser")
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pattern = re.compile(r'^/journals/differential-and-integral-equations/')
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links = soup.find_all("a", href=pattern)
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sub_urls = [link["href"] for link in links if link["href"].endswith(".full")]
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# 访问子链接并进行信息提取
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for sub_url in sub_urls:
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full_sub_url = "https://projecteuclid.org" + sub_url
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sub_response = requests.get(full_sub_url)
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sub_html = sub_response.text
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# 执行子界面上的信息提取
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sub_soup = BeautifulSoup(sub_html, "html.parser")
|
||||
|
||||
#寻找作者
|
||||
author_tags = sub_soup.find_all('meta', {'name': 'citation_author'})
|
||||
|
||||
authors = {} # 用于存储作者信息的字典
|
||||
|
||||
#对每一个的作者信息进行处理
|
||||
for i, tag in enumerate(author_tags, 1):
|
||||
citation_author = tag['content']
|
||||
authors[i] = citation_author if citation_author else None
|
||||
|
||||
#寻找文章的基本信息
|
||||
titles = []
|
||||
for title in sub_soup.find_all('meta',{'name':'citation_title'}):
|
||||
if title.get('content') is not None:
|
||||
titles.append(title.get('content'))
|
||||
|
||||
|
||||
|
||||
|
||||
#寻找发布时间
|
||||
publish_times = []
|
||||
for publish_time in sub_soup.find_all('meta',{'name':'publish_date'}):
|
||||
if publish_time.get('content'):
|
||||
publish_times.append(str(publish_time.get('content')))
|
||||
else:
|
||||
publish_time.append('None')
|
||||
|
||||
|
||||
#寻找关键词
|
||||
keywords_list=[]
|
||||
for keywords in sub_soup.find_all('meta',{'name':'citation_keywords'}):
|
||||
if keywords.get('content'):
|
||||
keywords_list.append(keywords.get('content'))
|
||||
else:
|
||||
keywords_list.append('None')
|
||||
|
||||
|
||||
#寻找doi
|
||||
dois = []
|
||||
for doi in sub_soup.find_all('meta', {'name': 'citation_doi'}):
|
||||
dois.append(str(doi.get('content')))
|
||||
doi_separated = ";\n".join(dois)
|
||||
|
||||
|
||||
#寻找volume
|
||||
volumes=[]
|
||||
for volume in sub_soup.find_all('meta',{'name':'citation_volume'}):
|
||||
if volume.get('content'):
|
||||
volumes.append(volume.get('content'))
|
||||
else:
|
||||
volumes.append('None')
|
||||
volume_separated = ";\n".join(volumes)
|
||||
|
||||
#寻找issue
|
||||
issues=[]
|
||||
for issue in sub_soup.find_all('meta',{'name':'citation_issue'}):
|
||||
|
||||
issues.append(issue.get('content'))
|
||||
issue_separated = ";\n".join(issues)
|
||||
|
||||
|
||||
#寻找首页
|
||||
firstpages=[]
|
||||
for firstpage in sub_soup.find_all('meta',{'name':'citation_firstpage'}):
|
||||
firstpages.append(firstpage.get('content'))
|
||||
|
||||
|
||||
#寻找尾页
|
||||
lastpages=[]
|
||||
for lastpage in sub_soup.find_all('meta',{'name':'citation_lastpage'}):
|
||||
lastpages.append(lastpage.get('content'))
|
||||
|
||||
#寻找MSC
|
||||
MSC=[]
|
||||
for msc in sub_soup.find_all('meta',{'name':'dc.Subject'}):
|
||||
MSC.append(msc.get('content'))
|
||||
MSC_separated = ";\n".join(MSC)
|
||||
|
||||
all_d={"article_id:":str(uuid.uuid4()),
|
||||
"Author":authors,
|
||||
"correspond_author":"null",
|
||||
"Title":titles,
|
||||
"Publish Time":publish_times,
|
||||
"keywords":keywords_list,
|
||||
"DOI":doi_separated ,
|
||||
"volume":volume_separated ,
|
||||
"issue":issue_separated,
|
||||
"url":full_sub_url,
|
||||
"page": "-".join(firstpages) + "-" + "-".join(lastpages),
|
||||
"journal":"projecteuclid.org",
|
||||
"MSC":MSC_separated}
|
||||
#print(all_d)
|
||||
# 写入JSON文件
|
||||
|
||||
all_d_list.append(all_d)
|
||||
|
||||
# 将信息存储到列表中
|
||||
# all_d_list.append(...)
|
||||
|
||||
# 输出存储的信息
|
||||
# print(all_d_list)
|
||||
with open('articles.json', 'w') as f:
|
||||
json.dump(all_d_list, f, indent=2)
|
||||
|
||||
print("JSON文件已成功生成。")
|
||||
|
||||
@ -31,25 +31,27 @@ def Transf():
|
||||
with open(file_path, 'r', encoding='utf-8') as file:
|
||||
data = json.load(file)
|
||||
|
||||
# 筛选文章
|
||||
data_oldest += [Dict for Dict in data if (isinstance(Dict, dict) and int(
|
||||
Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) <= 2009)]
|
||||
for Dict in data:
|
||||
if Dict.get('volume') and Dict.get('affiliation', [{}])[0].get('year', 0) is not None:
|
||||
# 筛选文章
|
||||
data_oldest += [Dict for Dict in data if (isinstance(Dict, dict) and int(
|
||||
Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) <= 2009)]
|
||||
|
||||
data_2010_2014 += [Dict for Dict in data if (isinstance(Dict, dict) and 2010 <= int(
|
||||
Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) <= 2014)]
|
||||
data_2010_2014 += [Dict for Dict in data if (isinstance(Dict, dict) and 2010 <= int(
|
||||
Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) <= 2014)]
|
||||
|
||||
data_2015_2020 += [Dict for Dict in data if (isinstance(Dict, dict) and 2015 <= int(
|
||||
Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) <= 2020)]
|
||||
data_2015_2020 += [Dict for Dict in data if (isinstance(Dict, dict) and 2015 <= int(
|
||||
Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) <= 2020)]
|
||||
|
||||
data_newest += [Dict for Dict in data if (isinstance(Dict, dict) and int(
|
||||
Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) >= 2021)]
|
||||
data_newest += [Dict for Dict in data if (isinstance(Dict, dict) and int(
|
||||
Dict.get('volume') or Dict.get('affiliation', [{}])[0].get('year', 0)) >= 2021)]
|
||||
|
||||
Data = [data_oldest, data_2010_2014, data_2015_2020, data_newest]
|
||||
Data = [data_oldest, data_2010_2014, data_2015_2020, data_newest]
|
||||
|
||||
# 转存
|
||||
for index in range(0, 4):
|
||||
with open(output_files[index], 'w', encoding='utf-8') as file:
|
||||
json.dump(Data[index], file, indent=4)
|
||||
# 转存
|
||||
for index in range(0, 4):
|
||||
with open(output_files[index], 'w', encoding='utf-8') as file:
|
||||
json.dump(Data[index], file, indent=4)
|
||||
|
||||
# 读取路径
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user